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Income Taxes (Reconciliation Of The Beginning And Ending Amount Of Unrecognized Tax Benefits) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Income Taxes [Abstract]      
Balance at January 1    $ 31,912 $ 23,773
Additions based on tax positions related to the current year      8,139
Additions for tax positions of prior years         
Reductions for tax positions of prior years    (31,912)  
Settlements with taxing authorities         
Lapses of applicable statutes of limitations         
Balance at December 31       $ 31,912